value will pad on the left. Padding can be useful to aid human

readability in log files.

This parameter can only be set in the <filename>postgresql.conf</>

file or on the server command line. The default is an empty string.

file or on the server command line. The default is

<literal>'%m [%p] '</> which logs a time stamp and the process ID.

<informaltable>

<tgroup cols="3">

include those escapes if you are logging to <application>syslog</>.

</para>

</tip>

<tip>

<para>

The <literal>%q</> escape is useful when including information that is

only available in session (backend) context like user or database

name. For example:

<programlisting>

log_line_prefix = '%m [%p] %q%u@%d/%a '

</programlisting>

</para>

</tip>

</listitem>

</varlistentry>

gettext_noop("If blank, no prefix is used.")

},

&Log_line_prefix,

"",

"%m [%p]",

NULL,NULL,NULL

},

#log_duration = off

#log_error_verbosity = default# terse, default, or verbose messages

#log_hostname = off

#log_line_prefix = ''# special values:

#log_line_prefix = '%m [%p] '# special values:

# %a = application name

# %u = user name

# %d = database name